﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
using System.Threading.Tasks;

namespace MusicService
{
    [ServiceContract]
    interface ITrackSingerService
    {
        [OperationContract]
        bool addTrackSinger(string singerID, string trackID);

        [OperationContract]
        bool removeTrackSinger(string singerID, string trackID);

        [OperationContract]
        bool updateTrackSinger(string singerID, string trackID);

        [OperationContract]
        List<TrackSinger> getAllTrackSinger();

        [OperationContract]
        TrackSinger getTrackSinger(string singerID, string trackID);
    }
}
